Psychometric properties of visual functioning index using Rasch analysis
نویسندگان
چکیده
منابع مشابه
Psychometric properties of visual functioning index using Rasch analysis.
PURPOSE The visual functioning index (VFI) was one of the first questionnaires developed using classical test theory to assess outcomes of cataract surgery. However, it was not Rasch-validated. The objective of this study was to examine the psychometric properties of the VFI using Rasch analysis in patients with cataract. METHODS The 11-item VFI was self-administered to 243 patients (mean age...
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Introduction and purpose: The purpose of this study was to examine the psychometric properties of the Geriatric Depression Scale (GDS) when applied to the elderly of Tehran. This research is applied-developmental, descriptive and quantitative. Materials and Methods: The research population was Tehrani elderlies, among which 400 people responded to the Geriatric Depression Scale voluntarily and...
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ژورنال
عنوان ژورنال: Acta Ophthalmologica
سال: 2009
ISSN: 1755-375X
DOI: 10.1111/j.1755-3768.2009.01562.x